History 138 Land tenure 86 Motion picture plays, Spanish 67 Architecture 59 Arquitectura 57 urban and land use planning 50 Historia 40 more ... Planificación urbana y uso de las tierras 36 Law and legislation 34 History and criticism 33 Land reform 32 Tenencia de la tierra 32 Land use 31 Politics and government 27 Criticism and interpretation 26 Motion picture plays 25 Social conditions 24 Man-woman relationships 22 Public administration 20 Spanish language 20 Administración pública 19 Economic conditions 18 Construcción 17 Planificación urbana y de uso de las tierras 14 Storyboards 14 Women 14 Administrative law 13 Philosophy 13 Reforma agraria 13 Derecho y legislación 12 less ...